53242500 has 120 divisors (see below), whose sum is σ = 160948480. Its totient is φ = 13680000.

The previous prime is 53242489. The next prime is 53242507. The reversal of 53242500 is 524235.

It is not an unprimeable number, because it can be changed into a prime (53242507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 232386 + ... + 232614.

Almost surely, 2^53242500 is an apocalyptic number.

53242500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53242500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80474240).

53242500 is an abundant number, since it is smaller than the sum of its proper divisors (107705980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53242500 is a wasteful number, since it uses less digits than its factorization.

53242500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 53242500 is about 7296.7458500348. The cubic root of 53242500 is about 376.2005965236.

Adding to 53242500 its reverse (524235), we get a palindrome (53766735).

The spelling of 53242500 in words is "fifty-three million, two hundred forty-two thousand, five hundred".